﻿#region File Description
//-----------------------------------------------------------------------------
// Polygone.cs
//
// Attack of the Crazy Pixels
// Copyright (c) 2009 VosSoft
//-----------------------------------------------------------------------------
#endregion
#region License
//-----------------------------------------------------------------------------
// The MIT License (MIT)
//
// Copyright (c) 2009 VosSoft
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#endregion

#region Using Statements
using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Audio;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework.GamerServices;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;
using Microsoft.Xna.Framework.Media;
using Microsoft.Xna.Framework.Net;
using Microsoft.Xna.Framework.Storage;
#endregion

namespace Attack_of_the_Crazy_Pixels
{
    /// <summary>
    /// Defines a polygone.
    /// </summary>
    public class Polygone : Primitive
    {
        public Vector2[] Points
        {
            get { return points; }
        }
        protected Vector2[] points;

        public Line[] Lines
        {
            get { return lines; }
        }
        protected Line[] lines;

        public bool Closed { get; protected set; }

        public int Count
        {
            get { return points.Length; }
        }

        public Vector2 this[int index]
        {
            get { return points[index]; }
        }

        public Polygone()
        {
            Closed = true;
        }

        public Polygone(bool closed, params Vector2[] points)
            : this(1.0f, Color.Black, closed, points)
        {
        }

        public Polygone(float thickness, Color color, bool closed, params Vector2[] points)
            : base(thickness, color)
        {
            this.points = new Vector2[points.Length];
            for (int i = 0; i < points.Length; i++)
            {
                this.points[i] = points[i];
            }
            if (closed)
            {
                this.lines = new Line[points.Length];
                this.lines[points.Length - 1] = new Line(points[points.Length - 1], points[0], Thickness, Color);
            }
            else
            {
                this.lines = new Line[points.Length - 1];
            }
            for (int i = 0; i < lines.Length - (closed ? 1 : 0); i++)
            {
                this.lines[i] = new Line(points[i], points[i + 1], Thickness, Color);
            }

            Closed = closed;
        }
    }
}
